Android 返回 MainActivity 的按钮
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Button to go back to MainActivity
提问by Moussa
I want to create a button that would lead the user straight back to main activity which doesn't have the android name="com.example.example".
It has android.intent.etc...
How can I reference my button to go back to this activity?
我想创建一个按钮,引导用户直接返回没有 android name="com.example.example" 的主要活动。
它有 android.intent.etc...
我怎样才能引用我的按钮返回到这个活动?
回答by zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Lets say your main activity is called Main.java.
假设您的主要活动称为 Main.java。
btnBack.setOnClickListener(new OnClickListener(){
private void onClick(){
Intent intent = new Intent(currentActivity.this, Main.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
});
回答by K_Anas
use startActivity(intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
用 startActivity(intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
回答by Adam Stelmaszczyk
Sometimes you can just call activity.finish()to end current activity, so the main (first created) activity will pop out.
有时您可以调用activity.finish()结束当前活动,因此主要(第一个创建的)活动会弹出。
If this is not your case, do this:
如果这不是您的情况,请执行以下操作:
Intent intent = new Intent(getApplicationContext(), Main.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
startActivity(intent);
回答by confucius
Intent intent = new Intent(this, Main.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
回答by Jupiter
public void onBackPressed(){
finish();
}
回答by Code Droid
Well from wherever you are just call startActivity() with the required parameters inside the buttons onClick method. That's it.
无论您身在何处,只需在 onClick 方法中的按钮中使用所需的参数调用 startActivity() 即可。就是这样。

